1/2-13 L9 Hex Collar Locknuts Cadmium Yellow & Wax Coated Domestic USA (1100)

3/4-10 x 2 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (25)

1/2-13 x 1 3/4 Grade 5 Hex Cap Screw Plain Domestic USA (50)

10 x 1 screw

7/16-20 x 2 Grade 8 Hex Cap Screw Plain Domestic USA (50)

1/2-13 x 2 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) 7/8-9 Socket Set Screws Cup Point Alloy 1/2-13 L9 Hex Collar Locknuts1 2 13 x 2 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) . Grade 5 Hex Cap Screws are manufactured in the USA from medium carbon steel. Our Grade 5 material meets or exceeds SAE J429 Grade 5 specifications. All products are manufactured with rolled threads. Typical hardness on diameters 1 4 to 1 inch is HRC 25 34. On diameters over 1 inch to 1 1 2 hardness will range from HRC 19 30. Tensile strength for diameters 1 4 to 1 inch is a minimum